See Clearly and Comfortably - PL Bulb Type H
The OttLite® 508 Illumination® 13 watt T-4 replacement tube is specially formulated to make reading and seeing everything easier. Delivering the right mix of br

Create in Comfort - PL Bulb Type C
The output of a 24 watt OttLite tube is roughly equivalent to that of a 100 watt incandescent bulb.